package jdbc3_25;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo03 {
    public static void main(String[] args) {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            Connection connection = DriverManager.getConnection(
                    "jdbc:mysql://localhost:3306/tedu" +
                            "?characterEncoding=utf8" +
                            "&useSSL=false" +
                            "&serverTimezone=Asia/Shanghai" +
                            "&rewriteBatchedStatements=true",
                    "root",
                    "root"
            );
            Statement statement = connection.createStatement();
            String sql= "UPDATE user " +
                    "SET password='66666',nickname='啊啊啊',age=39 " +
                   "WHERE id = 1";
            int num = statement.executeUpdate(sql);
            if (num > 0){
                System.out.println("修改成功");
            }else {
                System.out.println("修改失败");
            }

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}
